227429643940 has 24 divisors (see below), whose sum is σ = 502739213760. Its totient is φ = 86183864928.

The previous prime is 227429643913. The next prime is 227429644003. The reversal of 227429643940 is 49346924722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299249152 + ... + 299249911.

It is an arithmetic number, because the mean of its divisors is an integer number (20947467240).

Almost surely, 2^227429643940 is an apocalyptic number.

227429643940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227429643940 is an abundant number, since it is smaller than the sum of its proper divisors (275309569820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227429643940 is a wasteful number, since it uses less digits than its factorization.

227429643940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598499091 (or 598499089 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 227429643940 in words is "two hundred twenty-seven billion, four hundred twenty-nine million, six hundred forty-three thousand, nine hundred forty".